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Finding the Fourth Proportional to 45,208, 62,387.13 and 25,336

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Solution

The fourth proportional to 45,208, 62,387.13 and 25,336 is: 34,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208 : 62,387.13 = 25,336 : x
  2. Step 2: Convert to fraction form
    45,208/62,387.13 = 25,336/x
  3. Step 3: Cross multiply
    45,208x = 62,387.13 × 25,336
  4. Step 4: Simplify right side
    45,208x = 1,580,640,325.68
  5. Step 5: Solve for x
    x = 1,580,640,325.68/45,208
  6. Step 6: Final answer
    x = 34,963.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.